in rail but also will include representatives of amtrak, representatives of the department of transportation, the railroad branch, including the manufacturer of the train, the controller of the track. there will be a whole team of people comprised of all members who represent all aspects of the industry. and then they'll talk to survivors, passengers. they will look at the physical evidence. and put the pieces of the puzzle together. we always say, nothing is ruled out until -- ruled in until everything is ruled out. >> alex, the commissioner there when we asked, the former board member, excuse me, when we asked what it is that jumps out at her about this particular circumstance she again pointed to the extraordinarily clear weather, the straight line effect, and therefore thinks the investigation will probably focus on the places where the train cars interact with the